My itenerary as below.
arrive at Kansai airport and stay at Osaka for 3 days.
Q: Should I buy JR WEST pass?
Day4- from Shin-Osaka going to Shirakawago where fast route is using thunderbird to kazanawa then take a bus to shirakawago.
Q: Does JR WEST pass cover this route or JR pass?
Q: where can I find the timetable to connect from the arrival at Kazanawa to Shirakawago by bus?
Q: Alot of visitor go to takayama then taking nibu bus to shirakawago. What do you suggest?
Day5- From shirakawago to Gotemba/ Hakone
Q: Should I buy JR pass then take the route to Nagoya then Gotemba?
Day6- Day 10 - From Hakone going to Tokyo, I know best option is buying a JR pass.